Home / 4,454.48-6,679.62-1,333.28

Finding the Fourth Proportional to 4,454.48, 6,679.62 and 1,333.28

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Solution

The fourth proportional to 4,454.48, 6,679.62 and 1,333.28 is: 1,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.48 : 6,679.62 = 1,333.28 : x
  2. Step 2: Convert to fraction form
    4,454.48/6,679.62 = 1,333.28/x
  3. Step 3: Cross multiply
    4,454.48x = 6,679.62 × 1,333.28
  4. Step 4: Simplify right side
    4,454.48x = 8,905,803.75
  5. Step 5: Solve for x
    x = 8,905,803.75/4,454.48
  6. Step 6: Final answer
    x = 1,999.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.